On July 6, 1938, an American astronomer named Seth Barnes Nicholson discovered Jupiter's moon Lysithea. Nicholson spotted ...

Uranus enters Gemini for the first time since World War II. Sobering, right? Especially considering the current waves of ...

Watch the waning gibbous moon, Saturn, and Neptune meet in the night sky around midnight on July 16. The trio will travel ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Wednesday, June 25, is the new moon in Cancer, and according to astrologers, this month’s new phase is significant as Jupiter ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...